Home / 1,979,214,013,670.40-2,968,821,020,505.60-786,733,748,528.40

Finding the Fourth Proportional to 1,979,214,013,670.40, 2,968,821,020,505.60 and 786,733,748,528.40

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Solution

The fourth proportional to 1,979,214,013,670.40, 2,968,821,020,505.60 and 786,733,748,528.40 is: 1,180,100,622,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,214,013,670.40 : 2,968,821,020,505.60 = 786,733,748,528.40 : x
  2. Step 2: Convert to fraction form
    1,979,214,013,670.40/2,968,821,020,505.60 = 786,733,748,528.40/x
  3. Step 3: Cross multiply
    1,979,214,013,670.40x = 2,968,821,020,505.60 × 786,733,748,528.40
  4. Step 4: Simplify right side
    1,979,214,013,670.40x = 2,335,671,690,172,280,743,133,184
  5. Step 5: Solve for x
    x = 2,335,671,690,172,280,743,133,184/1,979,214,013,670.40
  6. Step 6: Final answer
    x = 1,180,100,622,792.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.